25 lines
877 B
GLSL
25 lines
877 B
GLSL
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// Copyright 2020 Google LLC
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Texture2DArray textureArray : register(t1);
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SamplerState samplerArray : register(s1);
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struct VSOutput
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{
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[[vk::location(0)]] float3 Normal : NORMAL0;
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[[vk::location(1)]] float3 Color : COLOR0;
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[[vk::location(2)]] float3 UV : TEXCOORD0;
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[[vk::location(3)]] float3 ViewVec : TEXCOORD1;
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[[vk::location(4)]] float3 LightVec : TEXCOORD2;
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};
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float4 main(VSOutput input) : SV_TARGET
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{
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float4 color = textureArray.Sample(samplerArray, input.UV) * float4(input.Color, 1.0);
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float3 N = normalize(input.Normal);
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float3 L = normalize(input.LightVec);
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float3 V = normalize(input.ViewVec);
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float3 R = reflect(-L, N);
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float3 diffuse = max(dot(N, L), 0.1) * input.Color;
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float3 specular = (dot(N,L) > 0.0) ? pow(max(dot(R, V), 0.0), 16.0) * float3(0.75, 0.75, 0.75) * color.r : float3(0.0, 0.0, 0.0);
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return float4(diffuse * color.rgb + specular, 1.0);
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}
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